Effect of seasonal variation on feeding and food preference of olive baboons (Papio anubis) in a protected Guinean savannah of West Africa

IF 0.8 4区 生物学 Q3 ZOOLOGY
Funmilayo L. Oni, Delagnon Assou, Gbolagade A. Lameed, Neil D’Cruze, Lars Kulik, Luca Luiselli
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引用次数: 0

Abstract

This study investigates the effects of seasonal changes in vegetation productivity on olive baboon feeding behavior in a protected Guinea savannah (Kainji Lake National Park). Over two consecutive years (2017 and 2018), observations were conducted both during the wet and dry seasons using a scan sampling method. Results revealed that olive baboons consumed 34 plant species belonging to 20 families, with 28 species in the wet season and 12 in the dry season. A total of 922 feeding events were recorded in the wet season and 621 in the dry season, indicating significant seasonal variation. Fruits were the preferred food item, especially in the dry season, followed by animal matter, seeds, leaves, and subterranean food. Interestingly, baboons also consumed tree bark regardless of season. In addition, their consumption of fruits (in both seasons) and seeds (in the dry season) highlights their ecological role in seed dispersal and plant regeneration within the park. To sustain baboon (and all non-human primates) conservation efforts within the park, it’s important to maintain a high diversity and abundance of native fruit trees throughout the year. This study highlights the importance of understanding how seasonal changes in vegetation affect olive baboon feeding behavior for effective park management and biodiversity conservation.
季节变化对西非几内亚受保护草原上橄榄狒狒(Papio anubis)摄食和食物偏好的影响
本研究调查了植被生产力的季节性变化对几内亚热带稀树草原保护区(凯恩吉湖国家公园)橄榄狒狒觅食行为的影响。连续两年(2017 年和 2018 年),在雨季和旱季均采用扫描取样法进行了观察。结果显示,橄榄狒狒食用了隶属于 20 个科的 34 种植物,其中雨季 28 种,旱季 12 种。在雨季和旱季分别记录了922次和621次觅食活动,这表明季节变化很大。水果是狒狒的首选食物,尤其是在旱季,其次是动物性食物、种子、树叶和地下食物。有趣的是,狒狒在任何季节都会食用树皮。此外,狒狒对水果(两个季节都吃)和种子(旱季吃)的摄取突出了它们在公园内传播种子和植物再生方面的生态作用。为了维持公园内狒狒(以及所有非人灵长类动物)的保护工作,保持本地果树全年的多样性和丰富性非常重要。这项研究强调了了解植被的季节性变化如何影响橄榄狒狒觅食行为对于有效管理公园和保护生物多样性的重要性。
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来源期刊
Mammalia
Mammalia 生物-动物学
CiteScore
2.20
自引率
10.00%
发文量
68
审稿时长
6-12 weeks
期刊介绍: Mammalia is an international, multidisciplinary, bimonthly journal devoted to the inventory, analysis and interpretation of mammalian diversity. It publishes original results on all aspects of the systematics and biology of mammals with a strong focus on ecology, including biodiversity analyses, distribution habitats, diet, predator-prey relationships, competition, community analyses and conservation of mammals. The journal also accepts submissions on sub-fossil or recently extinct mammals.
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